Full TGIF Record # 248201
Item 1 of 1
DOI:10.1177/1754337114523756
Web URL(s):http://pip.sagepub.com/content/228/3/213.full.pdf+html
    Last checked: 09/10/2014
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
Publication Type:
i
Report
Author(s):Forrester, Stephanie E.; Tsui, Felix
Author Affiliation:Wolfson School of Mechanical and Manufacturing Engineering, Loughborough University, Loughborough, UK
Title:Spatial and temporal analysis of surface hardness across a third-generation artificial turf pitch over a year
Source:Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology. Vol. 228, No. 3, September 2014, p. 213-220.
# of Pages:8
Publishing Information:London, England, United Kingdom: Professional Engineering Publishing Limited
Related Web URL:http://pip.sagepub.com/content/228/3/213.abstract
    Last checked: 09/10/2014
    Notes: Abstract only
Keywords:TIC Keywords: Artificial turf; Clegg Impact Test; Product evaluation; Surface hardness
Abstract/Contents:"Despite the potentially negative effects on play performance and safety, little is currently known about the spatial and temporal variability in the properties of artificial turf pitches. The primary purpose of this study was to quantify the spatial and temporal variations in surface hardness across a 5-year-old third-generation artificial turf pitch over full year cycle. The secondary purpose was to investigate the key variables that contributed to these variations in surface hardness using a correlation approach. Surface hardness (2.25 kg Clegg impact hammer, average of drops 2-5), ground temperature and infill depth were measured at 91 locations across the third-generation artificial turf pitch in 13-monthly test sessions from August 2011 to August 2012 inclusive. For each month, rainfall in the 24 h prior to testing and pitch usage statistics were also obtained. Shockpad thickness was obtained from measurements taken when the carpet was replaced in 2007. Spatial and temporal variations were assessed using robust statistical measures while Spearman correlation was used to assess the contributions of the secondary variables to surface hardness variability. The results indicated that spatial variation in surface hardness exceeded temporal variation; the former demonstrated a median absolute deviation of 12 ± 1 G across the pitch in any test session while the median absolute deviation for the latter was only 4 ± 2 G across the 13 test sessions. Spatial variation in surface hardness was moderately correlated with shockpad thickness and weakly correlated with infill depth (both negative). These results reinforce the importance of monitoring spatial and temporal variations in play performance variables for third-generation surfaces as well as providing support for the role of maintenance in minimising the spatial variation."
Language:English
References:22
Note:Equations
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Forrester, S. E., and F. Tsui. 2014. Spatial and temporal analysis of surface hardness across a third-generation artificial turf pitch over a year. Proceedings of the Institution of Mechanical Engineers, Part P: Journal of Sports Engineering and Technology. 228(3):p. 213-220.
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DOI: 10.1177/1754337114523756
Web URL(s):
http://pip.sagepub.com/content/228/3/213.full.pdf+html
    Last checked: 09/10/2014
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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